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Finding the Fourth Proportional to 89,834.90, 134,849.55 and 50,468.90

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Solution

The fourth proportional to 89,834.90, 134,849.55 and 50,468.90 is: 75,757.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,834.90 : 134,849.55 = 50,468.90 : x
  2. Step 2: Convert to fraction form
    89,834.90/134,849.55 = 50,468.90/x
  3. Step 3: Cross multiply
    89,834.90x = 134,849.55 × 50,468.90
  4. Step 4: Simplify right side
    89,834.90x = 6,805,708,454.00
  5. Step 5: Solve for x
    x = 6,805,708,454.00/89,834.90
  6. Step 6: Final answer
    x = 75,757.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.